Show all files not directories than have been modified within the current day
 

I have the following problem:
Show all files not directories than have been modified within the current day

Homework!!
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May i ask the same question, but for the date section??

how can i combine date and grep commands??? with the ls -lc, the date format is like Mar 8 00:52



so i try to grep date'+%b %d' but this is wrong and i can't get the output...